Home / 8,881,139.28-12,256,269.42-5,442,716.28

Finding the Fourth Proportional to 8,881,139.28, 12,256,269.42 and 5,442,716.28

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Solution

The fourth proportional to 8,881,139.28, 12,256,269.42 and 5,442,716.28 is: 7,511,130.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,881,139.28 : 12,256,269.42 = 5,442,716.28 : x
  2. Step 2: Convert to fraction form
    8,881,139.28/12,256,269.42 = 5,442,716.28/x
  3. Step 3: Cross multiply
    8,881,139.28x = 12,256,269.42 × 5,442,716.28
  4. Step 4: Simplify right side
    8,881,139.28x = 66,707,397,104,300.16
  5. Step 5: Solve for x
    x = 66,707,397,104,300.16/8,881,139.28
  6. Step 6: Final answer
    x = 7,511,130.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.